3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo round(9.1, 0, PHP_ROUND_HALF_UP);
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
9
Output for 4.3.0 - 5.2.17
Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/IWoV1 on line 3 Warning: Wrong parameter count for round() in /in/IWoV1 on line 3